Computer Chpt 4
Help!
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| The Machine Cycle consists of | Fetching, Decoding, Executing, and Storing
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| Kilohertz | thousand operations per second
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| Megahertz | million operations per second
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| Gigahertz | billion operations per second
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| RAM stands for _______ and is the ____ _____ | Random Access Memory, most common
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| Microcode is used to | program PROM chips
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| Flash memory is similar to | EEPROM
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| video cards are used to | convert computer output into a video signal
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| High Speed USB is called | USB 2.0
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| IEEE 1394 is also called a | Firewire Port
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| SCSI stands for | Small Computer Serial Interface
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| The Word size of a computer is | the number of bits that a processor can interpret and execute at a given time
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| Desktop computer | comp designed so the system unit, input devices, output devices, and any other devices fit entirely on or under a desk/table
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| computer chip | a small piece of semi-conducting material, usually silicone, on which integrated circuits are etched
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| integrated circuits | contain many microscopic pathways capable of carrying electrical current
each contain millions of elements - resistors, capacitors, and transistors
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| Multi-core processor (dual-core, quad-core) | is a single chip with 2+ separate processor cores
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| registers | [within a processor] small, high speed storage locations
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| L1 cache | fastest access, built directly in the processor chip 8KB-12KB
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| memory cache | helps speed the processes of the comp b/c it stores frequently used instructions and data
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| plug and play | the comp can automatically configure adapter cards and other peripherals as you install them
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| PCI Bus (Peripheral component interconnect bus) | a high speed expansion bus that connects higher speed devices
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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